Metal Removal Rate - Tool Post Grinders

For most tool post grinding operations, the material removal rate is dependent upon three factors: work diameter, depth of cut and traverse rate. The removal rate is expressed in cubic inch per minute (in3), and can be found using the following equation:

Traverse
Traverse feed depends upon the width of grinding wheel being used and the grinding operation being performed. For roughing, 3/4 the width of the grinding wheel should be fed per work revolution. For finishing operations, a finer feed of 1/8 or less the width of the grinding wheel per work revolution is used. To find the traverse rates, the following formulas can be used.

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